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It System Administrator Linux Jobs (NOW HIRING)

ManTech International

Linux System Administrator

Laurel, MD · On-site

$128K - $214K/yr

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team ... Manage IT system infrastructure and any processes related to these systems. * Provide support to ...

iVenture Solutions

IT System Administrator

Jacksonville, FL · On-site

$60K - $75K/yr

IT System Administrator Department: Auriga Employment Type: Full Time Location: Jacksonville, FL Compensation: $60,000 - $75,000 / year Description Our Systems Administrators support Microsoft server ...

ManTech

Linux System Administrator

Laurel, MD · On-site

$128K - $214K/yr

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team ... Manage IT system infrastructure and any processes related to these systems. * Provide support to ...

Plus3 IT Systems

Linux System Administrator

Reston, VA · On-site

$100K - $159K/yr

Linux System Administrator Location: Reston Clearance Requirement: TS/SCI w/ CI Poly ... Compensation Range: $100K - $159K Join Plus3 IT Systems! We are at the forefront of cloud computing ...

UserTesting

IT System Administrator - AI

OVERVIEW We are seeking a highly skilled and proactive IT System Administrator with deep expertise in IT systems and a strong working knowledge of AI tooling and infrastructure. This role sits at the ...

Cymertek

Linux System Administrator

Tysons, VA · On-site

SIMILAR CAREER TITLES Linux Administrator, Systems Administrator, DevOps Engineer, Unix Administrator, IT Systems Engineer, Infrastructure Engineer, Cloud Systems Administrator, Server Administrator ...

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Linux System Administrator

Laurel, MD • On-site

ManTech International
IT Services • 5 - 10K employees
Learn more about ManTech Internationalexternal

$128K - $214K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 14 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

Job description

General information
Requisition #
R69533
Locations
USA-MD-Laurel
Posting Date
07/27/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!
MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD.
You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization-the foundation of all Enterprise Information Technology (EIT) for MPO.
Responsibilities include but are not limited to:
  • Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.
  • Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.
  • Manage IT system infrastructure and any processes related to these systems.
  • Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.
  • Provide support for the dispatch system and hardware problems and will remain involved in the resolution process.
  • Optimize system operations and resource utilization and perform system capacity analysis and planning.
  • Analyze and resolve complex problems associated with server hardware, applications and software integration.

Minimum Qualifications:
  • Bachelor's degree in technical discipline from an accredited college or university.
  • 20 years' experience as an Systems Administrator/Engineer in programs and contracts of similar scope, type and complexity is required.
  • Demonstrated experience in planning and leading Systems Administration/Engineering efforts is required.
  • Must be proficient with troubleshooting in a Linux Red Hat environment.
  • Experience with VMWare
  • Demonstrated experience with modern automation/configuration tools such as Splunk or Ansible
  • IAT I certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include A+ CE/CCNA-Security/CND/Network+ CE /CySA+/GICSP/GSEC/Security+ CE/CND/SSCP)

Preferred Qualifications:
  • Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configuration management and patching.
  • Red Hat Certified System Administration Certification.
  • Experience with NetAPP

Clearance Requirements:
  • Must have a current/active Top Secret/SCI with Polygraph

Physical Requirements:
  • The person in this position must be able to remain in a stationary position 50% of the time.
  • Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication.

The projected compensation range for this position is $128,000.00-$214,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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